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[Qemu-devel] [PATCH] migrate: Fix bounds check for migration parameters


From: Ashijeet Acharya
Subject: [Qemu-devel] [PATCH] migrate: Fix bounds check for migration parameters in migration.c
Date: Sat, 10 Sep 2016 00:44:02 +0530

This patch fixes the out-of-bounds check migration parameters in
qmp_migrate_set_parameters() for cpu-throttle-initial and
cpu-throttle-increment by adding a return statement for both.
Due to the missing return statements, parmaters were getting set to
out-of-bounds values despite the error.

Signed-off-by: Ashijeet Acharya <address@hidden>
---
 migration/migration.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/migration/migration.c b/migration/migration.c
index 9b4aa55..cd8334c 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -805,6 +805,7 @@ void qmp_migrate_set_parameters(MigrationParameters 
*params, Error **errp)
         error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
                    "cpu_throttle_initial",
                    "an integer in the range of 1 to 99");
+        return;
     }
     if (params->has_cpu_throttle_increment &&
         (params->cpu_throttle_increment < 1 ||
@@ -812,6 +813,7 @@ void qmp_migrate_set_parameters(MigrationParameters 
*params, Error **errp)
         error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
                    "cpu_throttle_increment",
                    "an integer in the range of 1 to 99");
+        return;
     }
     if (params->has_max_bandwidth &&
         (params->max_bandwidth < 0 || params->max_bandwidth > SIZE_MAX)) {
-- 
2.6.2




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